Shoe accessory



FIG. 1 is a front, left perspective view of a shoe accessory, showing my new design;

FIG. 2 is a left perspective view thereof;

FIG. 3 is a right perspective view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left view thereof; and,

FIG. 6 is a right view thereof.

The bottom view and rear view are not shown and form no part of the claimed design.

The dash-dot broken lines represent thread stitching. The even dashed broken lines shown in the drawings represent portions of the shoe accessory that form no part of the claimed design. 

CLAIM The ornamental design for a shoe accessory, as shown and described. 